[Webkit-unassigned] [Bug 251017] [GStreamer] VA-API (GstVA) hardware-accelerated video decoding playback above 1080p resolution on YouTube in VP9 is very slow and stutters

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=251017

--- Comment #2 from Víctor M. Jáquez L. <vjaquez at igalia.com> ---
Is it possible to run MiniBrowser in Fedora?

So you can test WebKit more or less isolated. 

I Debian I could run 

$ GST_PLUGIN_FEATURE_RANK=qsvh264dec:MAX,vah265dec:MAX,vavp8dec:MAX,vavp9dec:MAX,vampeg2dec:MAX /usr/lib/x86_64-linux-gnu/webkit2gtk-4.1/MiniBrowser https://www.youtube.com/watch?v=mBw7vkcQOew

And it works, though I don't have a 4K display.

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